GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1579807  Size: SH
  1. Disconnect the knock sensor (KS) electrical connector (1).
  2. Remove the KS from the engine block.

Installation Procedure


    Object Number: 1579807  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the KS to the engine block.
  2. Tighten
    Tighten the KS to the engine block to 39 N·m (29 lb ft).

  3. Connect the KS electrical connector (1).